Other
Lee De Forest, American Inventor: The Complete Lee De Forest
An extensive site covering all aspects of Lee de Forest, his inventions, writings, and personal life. Find drawings and pictures of his audion tube and find out about his legacy, especially in the world of electronics.
Energy for Sustainable Development
Esd Bulgaria: Kids & Energy: Energy Pioneers: Lee De Forest
A profile of Lee de Forest who lived from 1873 to 1961. He was one of the most important inventors of radio and electronic technology, whose inventions touch everyday life.
PBS
People and Discoveries: Lee De Forest
A biography on audion inventor, Lee de Forest, from childhood on. Hyperlinks to additional information about the radio and broadcasting.
PBS
Outline of the History of the Transistor: Lee De Forest
Part of a larger site about the history of the transistor, this brief biography of Lee de Forest, the inventor of the audion, includes a QuickTime movie that shows how it worked.
Other
Ced Magic: 1906 Deforest Audion Vacuum Tube
This is a one page presentation of the historical development of the audion tube. An image of DeForest's invention is included.
Massachusetts Institute of Technology
Mit: Invention of the Week: Lee De Forest
This website provides information on the life and inventions of Lee DeForest, the man who invented the audion tube, which made commercial radio broadcasting practical.
National High Magnetic Field Laboratory
Magnet Academy: Lee De Forest
American inventor Lee De Forest was a pioneer of radio and motion pictures. He received more than 300 patents over the course of his lifetime, the most important of which was for a three-electrode vacuum tube, or triode, that he called...
Famous Scientists
Famous Scientists: Lee De Forest
Learn about the life and discoveries of Lee De Forest in this article.
National Academy of Engineering
Greatest Achievements: Telephone
This resources features an overview of the history behind the technological development of the telephone today and a timeline showing the important dates.
Curated OER
Smithsonian Libraries: Scientific Identity: Lee De Forest (1873 1961)
A portrait of Lee De Forest from the Dibner Library of the History of Science and Technology, made available through the Smithsonian Institution's Scientific Identity Collection.